THOMAS & MACK CENTER, LAS VEGAS – Undefeated Mikael Zewski (21-0-0, 16KO) (L) of Quebec, Canada wins by TKO over Alberto Herrera (9-10-1, 5KO) of Riverside, California when Herrera quit after the end of round five due to nose injury during their 8-round scheduled welterweight title as the undercard fights marches on for the Bradley vs Marquez main event.